Refactor client visibility handling

services/ui/surfaces/surfaces_context_provider.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "services/ui/surfaces/surfaces_context_provider.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
+#include "cc/output/context_cache_controller.h"
 #include "gpu/command_buffer/client/gles2_cmd_helper.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/client/shared_memory_limits.h"
 #include "gpu/command_buffer/client/transfer_buffer.h"
 #include "gpu/ipc/client/command_buffer_proxy_impl.h"
 #include "gpu/ipc/client/gpu_channel_host.h"
 #include "services/ui/common/switches.h"
 #include "services/ui/surfaces/surfaces_context_provider_delegate.h"
 #include "ui/gl/gpu_preference.h"
 #include "url/gurl.h"
@@ skipping 60 matching lines @@
   bool bind_generates_resource =
       !!capabilities_.bind_generates_resource_chromium;
   // TODO(piman): Some contexts (such as compositor) want this to be true, so
   // this needs to be a public parameter.
   bool lose_context_when_out_of_memory = false;
   bool support_client_side_arrays = false;
   implementation_.reset(new gpu::gles2::GLES2Implementation(
       gles2_helper_.get(), NULL, transfer_buffer_.get(),
       bind_generates_resource, lose_context_when_out_of_memory,
       support_client_side_arrays, gpu_control));
+  cache_controller_.reset(
+      new cc::ContextCacheController(implementation_.get()));
   return implementation_->Initialize(
       default_limits.start_transfer_buffer_size,
       default_limits.min_transfer_buffer_size,
       default_limits.max_transfer_buffer_size,
       default_limits.mapped_memory_reclaim_limit);
 }
 
 gpu::gles2::GLES2Interface* SurfacesContextProvider::ContextGL() {
   DCHECK(implementation_);
   return implementation_.get();
 }
 
 gpu::ContextSupport* SurfacesContextProvider::ContextSupport() {
   return implementation_.get();
 }
 
 class GrContext* SurfacesContextProvider::GrContext() {
   return NULL;
 }
 
+cc::ContextCacheController* SurfacesContextProvider::CacheController() {
+  return cache_controller_.get();
+}
+
 void SurfacesContextProvider::InvalidateGrContext(uint32_t state) {}
 
 gpu::Capabilities SurfacesContextProvider::ContextCapabilities() {
   return capabilities_;
 }
 
 base::Lock* SurfacesContextProvider::GetLock() {
   // This context provider is not used on multiple threads.
   NOTREACHED();
   return nullptr;
@@ skipping 27 matching lines @@
   if (delegate_)
     delegate_->OnVSyncParametersUpdated(timebase, interval);
 }
 
 void SurfacesContextProvider::SetSwapBuffersCompletionCallback(
     gl::GLSurface::SwapCompletionCallback callback) {
   swap_buffers_completion_callback_ = callback;
 }
 
 }  // namespace ui